Home / 7,830,721.85-10,806,469.88-4,393,036.69

Finding the Fourth Proportional to 7,830,721.85, 10,806,469.88 and 4,393,036.69

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Solution

The fourth proportional to 7,830,721.85, 10,806,469.88 and 4,393,036.69 is: 6,062,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,721.85 : 10,806,469.88 = 4,393,036.69 : x
  2. Step 2: Convert to fraction form
    7,830,721.85/10,806,469.88 = 4,393,036.69/x
  3. Step 3: Cross multiply
    7,830,721.85x = 10,806,469.88 × 4,393,036.69
  4. Step 4: Simplify right side
    7,830,721.85x = 47,473,218,623,238.54
  5. Step 5: Solve for x
    x = 47,473,218,623,238.54/7,830,721.85
  6. Step 6: Final answer
    x = 6,062,431.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.